SSO Provideth Cream concert poster, Staples Auditorium, Westport, Connecticut, March 27, 1968, original 2 piece proof mock-up illustration used for the poster, Dave Withers artist, both pieces are 12 3/4" (height) x 8 1/4" (length) in size, top piece is attached to a 14 3/4" (height) x 10" (length) piece of acetate, bottom piece is attached to a 16" (height) x 12" (length) piece of cardboard

NM-M with minor wear